SubX Player – Dual Subtitles

Learn languages from videos with offline AI translation & transcription

SubX is a dual-subtitle media player for immersive language learning on Android.

Create dual subtitles from any video—even if it has none. Generate subtitles on your device, then translate them to build a complete bilingual learning experience.

Play local videos and audio, stream online media, or cast to your TV—and learn from real content using tools for shadowing, repetition, and sentence mining.

🎬 Core Features

• AI Subtitle Generation (English) – Generate and translate subtitles to create dual subtitles from any video. Choose fast or accurate models. Fully offline and private.

• Play Any Format – Supports MKV, MP4, AVI, MOV, M3U/M3U8, MP3, WAV, FLAC and more.

• Subtitle Format Support – SRT, WebVTT (VTT), LRC and more.

• Dual Subtitles – Display two subtitle tracks to compare meaning and stay immersed.

• Subtitle List View – Browse all lines in a clean, scrollable list for navigation and study.

• Subtitle Styling – Customize font, size, color, timing, and position.

• Automatic Media Detection – Scan and organize your media library instantly.

• Online Streaming – Stream from URLs with history and favorites.

• Gesture Controls – Swipe to seek, adjust brightness and volume.

• Keyboard Shortcuts – External keyboard support for playback and subtitles.

• Background Playback – Keep listening with the screen off.

• Customizable Interface – Personalize layout, controls, and subtitles.

• Casting Support – Cast videos to your TV with full subtitle control.

• Subtitle Gestures – Resize and reposition subtitles with gestures.

• Practice Mode (YouTube) – Learn with curated videos using dual subtitles.

• SubX Clip – Create short clips from subtitle moments with burned-in text.


💎 SubX+ Premium Features

• Subtitle Translation – Translate subtitles to build dual subtitles. Offline (60+ languages) and online support.

• Seek by Subtitle – Jump between lines or repeat dialogue.

• Auto Pause – Pause at each subtitle line.

• Auto Skip – Skip silent or empty lines.

• Auto Repeat – Repeat lines with adjustable delay and count.

• Selectable Text – Copy or translate any subtitle instantly.

• Anki Export – Create flashcards with optional audio.

• Subtitle Editing – Edit text and fix timing.

• Subtitle Export – Export as SRT, VTT, TXT, or PDF.

• Ad-Free Experience – No ads anywhere in the app.


🧠 Why SubX?

SubX removes the need for existing subtitles.

Generate them, translate them, and learn from any video.
Watch, repeat, and understand real content—movies, podcasts, audiobooks, or your own files.


🎯 Who SubX Is For

For language learners using real content for listening, repetition, and comprehension.

Ideal for movies, series, podcasts, audiobooks, YouTube, and personal media.


⭐ Download SubX and turn any video into a dual-subtitle learning experience.